19809973440

Names of 19809973440

• Cardinal: 19809973440 can be written as Nineteen billion, eight hundred nine million, nine hundred seventy-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.980997344 × 10¹⁰

Factors of 19809973440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3232

Divisors of 19809973440

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1061 1080 1440 1728 2122 2160 2161 2880 3183 4244 4320 4322 5305 6366 6483 8488 8640 8644 9549 10610 10805 12732 12966 15915 16976 17288 19098 19449 21220 21610 25464 25932 28647 31830 32415 33952 34576 38196 38898 42440 43220 47745 50928 51864 57294 58347 63660 64830 67904 69152 76392 77796 84880 86440 95490 97245 101856 103728 114588 116694 127320 129660 138304 143235 152784 155592 169760 172880 190980 194490 203712 207456 229176 233388 254640 259320 286470 291735 305568 311184 339520 345760 381960 388980 414912 458352 466776 509280 518640 572940 583470 611136 622368 691520 763920 777960 916704 933552 1018560 1037280 1145880 1166940 1244736 1527840 1555920 1833408 1867104 2074560 2291760 2292821 2333880 3055680 3111840 3734208 4583520 4585642 4667760 6223680 6878463 9167040 9171284 9335520 11464105 13756926 18342568 18671040 20635389 22928210 27513852 34392315 36685136 41270778 45856420 55027704 61906167 68784630 73370272 82541556 91712840 103176945 110055408 123812334 137569260 146740544 165083112 183425680 206353890 220110816 247624668 275138520 309530835 330166224 366851360 412707780 440221632 495249336 550277040 619061670 660332448 733702720 825415560 990498672 1100554080 1238123340 1320664896 1650831120 1980997344 2201108160 2476246680 3301662240 3961994688 4952493360 6603324480 9904986720 19809973440
• Sum of all divisors σ(n): 69983421120
• Sum of proper divisors (its aliquot sum) s(n): 50173447680
• 19809973440 is an abundant number, because the sum of its proper divisors (50173447680) is greater than itself. Its abundance is 30363474240

Bases of 19809973440

• Binary: 10010011100110001000011010011000000₂
• Hexadecimal: 0x49CC434C0
• Base-36: 93MCHC0

Squares and roots of 19809973440

• 19809973440 squared (19809973440²) is 392435047693505433600
• 19809973440 cubed (19809973440³) is 7774127871733475900111683584000
• The square root of 19809973440 is 140747.9074089559
• The cube root of 19809973440 is 2705.7933874037

Scales and comparisons

• 19,809,973,440 seconds is equal to 629 years, 46 weeks, 4 days, 2 hours, 24 minutes.
• To count from 1 to 19,809,973,440 would take you about one thousand, two hundred fifty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 19809973440 cubic inches would be around 225.5 feet tall.

Recreational maths with 19809973440

• 19809973440 backwards is 04437990891
• 19809973440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19809973440's digits is 54
• More coming soon!